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- #include <Audio.h>
- #include <Wire.h>
- #include <SPI.h>
- #include <SD.h>
- #include <SerialFlash.h>
-
- AudioInputUSB usb1; //xy=200,69 (must set Tools > USB Type to Audio)
- AudioOutputI2S i2s1; //xy=365,94
- AudioConnection patchCord1(usb1, 0, i2s1, 0);
- AudioConnection patchCord2(usb1, 1, i2s1, 1);
- AudioControlSGTL5000 sgtl5000_1; //xy=302,184
-
- void setup() {
- AudioMemory(12);
- sgtl5000_1.enable();
- sgtl5000_1.volume(0.6);
- }
-
- void loop() {
- // read the PC's volume setting
- float vol = usb1.volume();
-
- // scale to a nice range (not too loud)
- // and adjust the audio shield output volume
- if (vol > 0) {
- // scale 0 = 1.0 range to:
- // 0.3 = almost silent
- // 0.8 = really loud
- vol = 0.3 + vol * 0.5;
- }
-
- // use the scaled volume setting. Delete this for fixed volume.
- sgtl5000_1.volume(vol);
-
- delay(100);
- }
-
- // Teensyduino 1.35 & earlier had a problem with USB audio on Macintosh
- // computers. For more info and a workaround:
- // https://forum.pjrc.com/threads/34855-Distorted-audio-when-using-USB-input-on-Teensy-3-1?p=110392&viewfull=1#post110392
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